JPS53135806A - Improving method for quality in direct rolling - Google Patents
Improving method for quality in direct rollingInfo
- Publication number
- JPS53135806A JPS53135806A JP5060877A JP5060877A JPS53135806A JP S53135806 A JPS53135806 A JP S53135806A JP 5060877 A JP5060877 A JP 5060877A JP 5060877 A JP5060877 A JP 5060877A JP S53135806 A JPS53135806 A JP S53135806A
- Authority
- JP
- Japan
- Prior art keywords
- quality
- improving method
- direct rolling
- rolling
- direct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 238000005098 hot rolling Methods 0.000 abstract 1
- 238000003303 reheating Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/02—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
- B21B2001/028—Slabs
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
Abstract
PURPOSE:To improve the quality of the rolled product, by reheating locally the slab on the way of conveyance in the line of rolling in which the blooming and hot rolling continue.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5060877A JPS58493B2 (en) | 1977-04-30 | 1977-04-30 | Quality improvement method in direct rolling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5060877A JPS58493B2 (en) | 1977-04-30 | 1977-04-30 | Quality improvement method in direct rolling |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53135806A true JPS53135806A (en) | 1978-11-27 |
JPS58493B2 JPS58493B2 (en) | 1983-01-06 |
Family
ID=12863672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5060877A Expired JPS58493B2 (en) | 1977-04-30 | 1977-04-30 | Quality improvement method in direct rolling |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58493B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0289517A (en) * | 1988-09-26 | 1990-03-29 | Nkk Corp | Direct hot rolling method for stock fed directly from continuous casting machine |
-
1977
- 1977-04-30 JP JP5060877A patent/JPS58493B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0289517A (en) * | 1988-09-26 | 1990-03-29 | Nkk Corp | Direct hot rolling method for stock fed directly from continuous casting machine |
Also Published As
Publication number | Publication date |
---|---|
JPS58493B2 (en) | 1983-01-06 |
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